Type-writing machine.



E. E. BARNEY.

TYPE WRITING MACHINE.

APPLICATION FILED Nov; 22, 1907.

45 H 3 T 5/ M EDWIN E. EARNEY, OF SYRACUSE, NEW YORK, ASSIGNOB TO'WRETER COMPANY, OF SYRACUSE, NEEV YORK, A GQEPOEATZGN OE TI- EDIIONARCH TYPE- NEVJ YORK.

TYPE-"WRITING IMACI-IINE.

Serial No. 403,531.

To all whom it may concern:

Be it known that I, EDWIN E. Banner, citizen of the United States, andresident of Syracuse, in the county of Onondaga and bltate of New York,have invented certain new and useful improvements in TypelVritingMachines, of which the following is a specification.

lily invention relates to typewriting ma chines and more particularly tomeans for releasing the feed rolls and for locking them in the releasedposition, and the main object of the invention is to provide simple andefficient means for this purpose.

To the above and other ends which will hereinafter appear, my inventionconsists of the features of construction, arrangements of parts andcombinations of devices to be hereinafter set forth and particularlypointed out in the appended claims.

in the accompanying drawings, wherein line reference characters indicatecorresponding parts in the various views, Figure l is an enlarged endview of a carriage equipped with the devices of my invention. 9 is afragmentary vertical sectional view taken transversely through thelefthand end plate of the carriage, the platen being omitted in thisview. Fig. 8 is a view corresponding to Fig. 1 except that the parts areshown in their released positions.

I have shown my invention applied in the present instance to a Monarchmachine tho h it should be understood that my invention is applicable tovarious other constructions or styles of typewriting machines.

In the drawings, 1 indicates the slide or supporting back bar of thecarriage which provided with upper and lower grooved faces 2 forcooperation with anti-friction balls or rollers, and opposing top andbottom rails, not shown. End plates 3 project forwardly from the ends ofthe slide bar and are provided with hearin openings to receive a shaft ron which the platen 5 is mounted. Feed roll hangers 6 are pivoted at 7in apertured lugs 8 which extend forwardly from the slide bar 1. Coiledsprings 9 surround the pivots of the feed roll hangers and each springbears at one end 10 against the bottom wall of the aperture in itsassociated lug 8 while the other end 11 of the spring bears against thehanger 6 to force the lower end thereof toward the platen. A feed rollshaft 12 is mounted in the hangers 6 and supports main feed rollers 13,which extend through openings in a paper apron let and bear against theplaten at the side thereof where the iaper is introduced into themachine.

Each of the feed roll hangers 6 is provided with a lug 15 on the upperside thereof for cooperation with a projection 16 on a rock shaft 17mounted in bearings in the end plates of the platen frame or carriage.The left-hand end of the rock shaft has secured to it an angular crankarm 18, one portion 19 of which is adapted to bear againsta stop pin 20projectingfrom the left-hand end plate of the carria e to limit themovement of the crank arm and the parts attached thereto in theirmovement back to normal position. Hangers 21 are pivoted at 21 in theapertured lugs 8 below the feed roll hangers and each of the hangers iiis pressed toward the platen by a spring 22 which is coiled about thepivot of the hanger and bears atone end against the hanger and at itsopposite end against the bottom wall of the aperture in the lug 8. Thefeed roll hangers 6 are extended below or beyond the feed rollers 1.3and carry antifriction rollers 23 adapted to bear against the hangers 21when the parts are moved to the positions shown in 3 and to move thehangers 21 away from toe platen. The hangers 21 support shaft 2%- forthe forward set of feed rollers 25 and each hanger 2 carries a leafspring 26 secured thereto by a screw 27. These springs bear upwardlyagainst the paper apron l t (which is pivoted at its upper rear end onthe feed roll release shaft 1'7), so as to effect a pressure of thepaper apron against the platen when the parts are in their normalpositions. lVhen, however, the main feed rollers are moved to thereleased position shown in Fig. 3 the hangers 21 will be depressed,thereby carrying the forward set of feed rollers away from the platenand allowing the paper apron to turn on its pivotal support and to moveaway from the platen.

The construction thus far described is similar to that employed in theMonarch machine and further detail description thereof is deemedunnecessary.

The crank arm 18 is pivoted at 28 to oneelement 29 of the toggle is inthe nature of alever and is extended beyond the pivot 30 to provide afinger piece 33. This is preferably formed by turning the metal at-rightangles to the plate of the body portion of the lever so as to therebynot only form a finger piece with a flat face presented to the operator,but also to provide a stop which, when the parts are in the positionsshown in Fig. 3, is adapted to abut against the toggle link or element31 and limit the movement of the toggle when operated to lock off thefeed rollers.

In the normal positions of the parts the toggle elements are disposed asshown in Fig. 1. By moving the finger piece 33 forwardly, the toggle ismoved to the dead center position shown in Fig. 3 and this movement iseffective to turn the rock shaft 17, through the crank arm 18, thusforcing the feed roll hangers 6 downwardly to carry the main feedrollers out of cooperative relation with the platen. This same movementas hereinbefore explained, is effective to bring about a movement of theforward set of feed rollers and the paper apron away from the platen.

The parts when in the positions shown in Fig. 3 are locked in thereleased position by the dead centering of the toggle, the pressure ofthe restoring springs 9 and 22 being exerted through the shaft 17 andtoggle against the fixed pivot 32 in a line extending through the pivots28, 30 and 32. A slight rearward pressure exerted upon the finger piece33 is effective however to break the toggle and to enable the parts toreturn to normal positions.

The toggle release and lock shown in the present arrangement is simplein construction, inexpensive to manufacture and is efiicient in use, theentire releasing and locking means consisting of but two parts.

Various changes may be made without departing from the spirit and scopeof my invention. For example, other feed devices than rollers may beemployed and only one roller or feed device may be used instead of twoas shown.

What I claim as new and desire to secure by Letters Patent, is

1. In a typewriting machine, the combi nation of a platen, a feed rollercooperating therewith, and means for releasing said feed roller and forlocking same in the released position, said means including feed rollhangers, a rock shaft operative on said hangers to throw the feed rollerout of cooperative relation with the platen, a crank arm on said rockshaft, and a hand-com trolled toggle connected to said crank arm andoperative on said rock shaft to actuate and lock it.

2. In a typewriting machine, the combination of a platen, feed rollerscooperating therewith, and means for releasing said feed rollers and forlocking them in the released position, said means including feed rollhangers, a rock shaft operative on the hangers to move said hangers tothrow the feed rollers out of cooperative relation with the platen, acrank arm on said rock shaft, and a hand controlled toggle connected tosaid crank arm in order to rock the shaft and lock it, the dispositionand relation of the parts being such that the feed rollers will belocked in the released position when the toggle is in the dead centerposition.

3. In a typewriting machine, the combination of a platen, feed rollerscooperating therewith, and means for releasing said feed rollers and forlocking them in the released position, said means including feed rollhangers, a rock shaft cooperative with said hangers to throw the feedrollers out of cooperative relation with the platen, a crank arm on saidrock shaft, a toggle connected to said crank arm, and a finger piececonnected directly to one of the elements of said toggle to control therock shaft through the toggle.

4. In a typewriting machine, the combination of a platen, feed rollerscooperating therewith, and means for releasing said feed. rollers andfor locking them in the released position, said means including feedroll hangers, a rock shaft cooperative with the hangers to throw thefeed rollers out of cooperative relation with the platen, a crank arm onsaid rock shaft, and a hand-controlled toggle connected to said crankarm, the disposition and relation of the parts being such that the feedrollers will be locked in the released positions when the toggle is inthe dead center position, and a finger piece connected to one of saidtoggle elements so as to actuate and lock the shaft by the toggle, saidfinger piece constituting a stop to limit the movement of the toggleelements in one direction when they are in the dead center position.

5. In a typewriting machine, the combination of a platen, feed rollerscooperating therewith, and means for releasing said feed rollers and forlocking them in the released position, said means including feed rollhangers, a rock shaft cooperative with said hangers to throw the feedrollers out of cooperative relation with the platen, a crank arm on saidrock shaft, a stop which cooperates with said crank arm to limit themovement of the crank arm and the parts connected therewith in onedirection, a toggle connected to said crank arm, and a finger oiececonnected to one element of said to gle to effect an actuation and alocking of the rock shaft through the toggle, said finge piececonstituting a stop to limit the movement of the toggle in the oppositedirection.

In a, tvpewriting machine, the combination a platen, feed rollerscooperating therewith, and means for releasing said feed rollers and forlocking them in the released position, said means including feed rollhangers, a rock shaft cooperative with said hangers to throw the feedrollers out of cooperative relation with the platen, a crank arm on saidrock shaft, a stop which cooperates with said crank arm to limit themovement ot the crank arm and the parts connected therewith in onedirection, a toggle connected to said crank arm for controlling saidrock shaft, the disposition and relation of the parts being such thatthe feed rollers will be locked in the released position when the toggleis in the dead center position, and a linger piece connected to one ofsaid toggle elements, said linger piece constituting also a stop tolimit the movement of the-toggle elements in one direction when thev arein the dead center position.

7. In a typewriting machine, the combination of a platen, feed rollerscooperating therewith, and means for releasing said feed rollers and forlocking them in the released position, said means including feed rollhangers, a rock shaft cooperative with said hangers to throw the feedrollers out of cooperative relation with the platen, a crank arm on saidrock shaft. and a lnu1d-con trolled toggle connected to said crank arm,one element of the toggle being a lever provided with a linger piece andconnected at one end to said crank arm and connected in termediate itsends to the other element of the toggle.

S. In a typewriting machine, the combination of a platen, feed rollerscooperating therewith, and means for releasing said feed rollers and forlocking them in the released position, said means including feed rollhangers, a rock shaft cooperative with said hangers to throw the feedrollers out of cooperative relation. with the platen, a crank arm onsaid rock shaft. and a hand-controlled toggle connected to said crankarm, the disposition and relation of the parts being such tl at the feedrollers will be locked in the released position when the toggle is inthe dead center position, one element of said toggle being a leverprovided with a finger piece and connected at one end to said crank armand connected intermediate its ends to the other element of the toggle.

9. In a typewriting machine, the combination with the paper teedmechanism, of a releasing and locking mechanism. comprising a crank arm,a link, and a hand actuated lever pivotally connected at differentpoints in its length to both the crank arm and the link.

10. In a t vpewriting machine, the combination with a platen; paper feedrollers; and means for moving the paper feed rollers to an inoperativeposition. and for locking them in such position, said means comprising atoggle link which turns on a fixed pivot at one end, a hand actuatedtoggle lever pivoted intermediate its ends to the opposite end of saidtoggle link, one end of the toggle lever having a. finger piec and feedroller moving means connected to the opposite end of said toggle lever.

1].. in a tvpewriting machine, the combination with a platen; paper feedrollers; and means for moving the paper feed rollers to an inoperativeposition and for locking them in such position, said means comprising atoggle link which turns on a liXed pivot at one end, a hand actuatedtoggle lever pivoted intermediate its ends to the opposite end of saidtoggle link, the toggle lever having a linger piece at one end thereof,a rock shaft, means controlled thereby for moving the feed rollers awayfrom the platen, and a crank arm on said rock shaft, there being apivotal connection between said crank arm and the other end of saidtoggle lever.

Signed at Syracuse, in the county of Onondaga and State of New York this20th day of November A. D. 1907.

EDW'IN E. BA tXEY.

Witnesses Jonx H. Hanan,

lV. C. HAY.

